Tech Library

General Policy on Type Certification and Specification Approval of Equipment

Circular No. 1-004: General Policy on Type Certification and Specification Approval of Equipment

[Summary]

The procedures for type certification and specification approval of equipment are presented and examples of equipment subject to type certification and specification approval are given. In addition, for testing to obtain type certification and specification approval of equipment, it is recommended that tests such as RTCA DO-160 and DO-178 be applied in the “Additional Requirements for Type Certificate and Specification Approval”.

Examples of parts subject to Type Certificate

・Engine
・Propellers
・Rotor wings
・Transmission
・Instruments
・Other: starter, magnet generator, fuel pump, propeller governor, carburetor, hydraulic pump, cabin super-charger, combustion heater for de-icing, de-icing fluid pump, air compressor, vacuum pump, inverter, landing gear, float, ski, skid, etc.

Examples of parts subject to specification approval

Basic parts with special design that are important in terms of function and strength
Parts of special designs
Parts related to fuselage structures
Parts related to piston engine bodies
Parts related to turbine engine bodies
Parts related to propellers
Parts related to control and operation systems
Parts related to electrical and electronic systems
Parts related to instrument systems
Functional parts
Other parts requiring inspection by the authorities